Hiroaki Nanjo

Publication Activity (10 Years)

Years Active: 2000-2022
Publications (10 Years): 8

Top Topics

Spoken Document Retrieval

Language Learners

Top Venues

IEICE Trans. Inf. Syst.

Publications

Kento Tanaka, Taichi Nishimura, Hiroaki Nanjo, Keisuke Shirai, Hirotaka Kameko, Masatake Dantsuji
Image Description Dataset for Language Learners. LREC (2022)
Richeng Duan, Tatsuya Kawahara, Masatake Dantsuji, Hiroaki Nanjo
Cross-Lingual Transfer Learning of Non-Native Acoustic Modeling for Pronunciation Error Detection and Diagnosis. IEEE ACM Trans. Audio Speech Lang. Process. 28 (2020)
Haruka Tanji, Kazunori Kojima, Hiroaki Nanjo, Shi-wook Lee, Yoshiaki Itoh
A Rescoring Method Using Web Search and Word Vectors for Spoken Term Detection. APSIPA (2019)
Siyang Yu, Kazuaki Kondo, Yuichi Nakamura, Takayuki Nakajima, Hiroaki Nanjo, Masatake Dantsuji
Visual Emphasis of Lip Protrusion for Pronunciation Learning. IEICE Trans. Inf. Syst. (1) (2019)
Ruining Yang, Hiroaki Nanjo, Masatake Dantsuji
Development of Perceptual Training Software for Realizing High Variability Training Paradigm and Self Adaptive Training Paradigm. PACLIC (2018)
Richeng Duan, Tatsuya Kawahara, Masatake Dantsuji, Hiroaki Nanjo
Efficient Learning of Articulatory Models Based on Multi-Label Training and Label Correction for Pronunciation Learning. ICASSP (2018)
Richeng Duan, Tatsuya Kawahara, Masatake Dantsuji, Hiroaki Nanjo
Transfer Learning based Non-native Acoustic Modeling for Pronunciation Error Detection. SLaTE (2017)
Tomoyosi Akiba, Hiromitsu Nishizaki, Hiroaki Nanjo, Gareth J. F. Jones
Overview of the NTCIR-12 SpokenQuery&Doc-2 Task. NTCIR (2016)
Hiroaki Nanjo, Takehiko Yoshimi, Sho Maeda, Tomohiro Nishio
Spoken Document Retrieval Experiments for SpokenQuery&Doc at Ryukoku University (RYSDT). NTCIR (2014)
Katsunori Kotani, Shota Ueda, Takehiko Yoshimi, Hiroaki Nanjo
A Listenability Measuring Method for an Adaptive Computer-assisted Language Learningand Teaching System. PACLIC (2014)
Tomoyosi Akiba, Hiromitsu Nishizaki, Hiroaki Nanjo, Gareth J. F. Jones
Overview of the NTCIR-11 SpokenQuery&Doc Task. NTCIR (2014)
Hiroaki Nanjo, Tomohiro Nishio, Takehiko Yoshimi
Spoken Document Retrieval Experiments for SpokenDoc-2 at Ryukoku University (RYSDT). NTCIR (2013)
Tomoyosi Akiba, Hiromitsu Nishizaki, Kiyoaki Aikawa, Xinhui Hu, Yoshiaki Itoh, Tatsuya Kawahara, Seiichi Nakagawa, Hiroaki Nanjo, Yoichi Yamashita
Overview of the NTCIR-10 SpokenDoc-2 Task. NTCIR (2013)
Hiroaki Nanjo, Kazuyuki Noritake, Takehiko Yoshimi
Spoken Document Retrieval Experiments for SpokenDoc at Ryukoku University (RYSDT). NTCIR (2011)
Katsunori Kotani, Takehiko Yoshimi, Hiroaki Nanjo, Hitoshi Isahara
Compiling Learner Corpus Data of Linguistic Output and Language Processing in Speaking, Listening, Writing, and Reading. IJCNLP (2011)
Kazuyuki Noritake, Hiroaki Nanjo, Takehiko Yoshimi
Image Processing Filters for Line Detection-Based Spoken Term Detection. INTERSPEECH (2011)
Hiroaki Nanjo, Yusuke Iyonaga, Takehiko Yoshimi
Spoken document retrieval for oral presentations integrating global document similarities into local document similarities. INTERSPEECH (2010)
Yoshiaki Itoh, Hiromitsu Nishizaki, Xinhui Hu, Hiroaki Nanjo, Tomoyosi Akiba, Tatsuya Kawahara, Seiichi Nakagawa, Tomoko Matsui, Yoichi Yamashita, Kiyoaki Aikawa
Constructing Japanese test collections for spoken term detection. INTERSPEECH (2010)
Tomoyosi Akiba, Kiyoaki Aikawa, Yoshiaki Itoh, Tatsuya Kawahara, Hiroaki Nanjo, Hiromitsu Nishizaki, Norihito Yasuda, Yoichi Yamashita, Katunobu Itou
Construction of a Test Collection for Spoken Document Retrieval from Lecture Audio Data. J. Inf. Process. 17 (2009)
Hiroaki Nanjo, Hiroki Mikami, Hiroshi Kawano, Takanobu Nishiura
A fundamental study of shouted speech for acoustic-based security system. INTERSPEECH (2009)
Hiroaki Nanjo, Takanobu Nishiura, Hiroshi Kawano
Acoustic-Based Security System: Towards Robust Understanding of Emergency Shout. IAS (2009)
Takashi Shichiri, Hiroaki Nanjo, Takehiko Yoshimi
Automatic Estimation of Word Significance oriented for Speech-based Information Retrieval. IJCNLP (2008)
Takashi Shichiri, Hiroaki Nanjo, Takehiko Yoshimi
Minimum Bayes-Risk decoding with presumedword significance for speech based information retrieval. ICASSP (2008)
Tomoyosi Akiba, Kiyoaki Aikawa, Yoshiaki Itoh, Tatsuya Kawahara, Hiroaki Nanjo, Hiromitsu Nishizaki, Norihito Yasuda, Yoichi Yamashita, Katunobu Itou
Test Collections for Spoken Document Retrieval from Lecture Audio Data. LREC (2008)
Hiroaki Nanjo, Yuichi Oku, Takehiko Yoshimi
Automatic speech recognition framework for multilingual audio contents. INTERSPEECH (2007)
Yuya Akita, Masahiro Saikou, Hiroaki Nanjo, Tatsuya Kawahara
Sentence boundary detection of spontaneous Japanese using statistical language model and support vector machines. INTERSPEECH (2006)
Hiroaki Nanjo, Tatsuya Kawahara
A New ASR Evaluation Measure and Minimum Bayes-Risk Decoding for Open-domain Speech Understanding. ICASSP (1) (2005)
Hiroaki Nanjo, Teruhisa Misu, Tatsuya Kawahara
Minimum Bayes-risk decoding considering word significance for information retrieval system. INTERSPEECH (2005)
Tasuku Kitade, Tatsuya Kawahara, Hiroaki Nanjo
Automatic extraction of key sentences from oral presentations using statistical measure based on discourse markers. INTERSPEECH (2004)
Tatsuya Kawahara, Masahiro Hasegawa, Kazuya Shitaoka, Tasuku Kitade, Hiroaki Nanjo
Automatic indexing of lecture presentations using unsupervised learning of presumed discourse markers. IEEE Trans. Speech Audio Process. 12 (4) (2004)
Hiroaki Nanjo, Tatsuya Kawahara
Language model and speaking rate adaptation for spontaneous presentation speech recognition. IEEE Trans. Speech Audio Process. 12 (4) (2004)
Hiroaki Nanjo, Tasuku Kitade, Tatsuya Kawahara
Automatic indexing of key sentences for lecture archives using statistics of presumed discourse markers. ICASSP (1) (2004)
Tatsuya Kawahara, Kazuya Shitaoka, Hiroaki Nanjo
Automatic transformation of lecture transcription into document style using statistical framework. INTERSPEECH (2004)
Hiroaki Nanjo, Tatsuya Kawahara
Speaking-rate dependent decoding and adaptation for spontaneous lecture speech recognition. ICASSP (2002)
Hiroaki Nanjo, Kazuomi Kato, Tatsuya Kawahara
Speaking rate dependent acoustic modeling for spontaneous lecture speech recognition. INTERSPEECH (2001)
Hiroaki Nanjo, Akinobu Lee, Tatsuya Kawahara
Automatic diagnosis of recognition errors in large vocabulary continuous speech recognition systems. INTERSPEECH (2000)
Kazuomi Kato, Hiroaki Nanjo, Tatsuya Kawahara
Automatic transcription of lecture speech using topic-independent language modeling. INTERSPEECH (2000)